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1,1
Matrix inverse of A134541.
The subsequence of A180430 beginning from the second column, divided by 2, equals this sequence. [From Mats Granvik, Sep 04 2010]
Table of n, a(n) for n=1..97.
Triangle begins:
1
0...1
1..-1...1
0...1..-1...1
1...0...0..-1...1
0...0...1...0..-1...1
1...0...0...0...0..-1...1
0...1..-1...1...0...0..-1...1
1..-1...1...0...0...0...0..-1...1
0...1...0..-1...1...0...0...0..-1...1
1...0...0...0...0...0...0...0...0..-1...1
0...0...0...1..-1...1...0...0...0...0..-1...1
Cf. A176702*A000012=A051731. Row sums equals A000012.
Sequence in context: A103582 A129565 A121967 * A275694 A153860 A162519
Adjacent sequences: A176699 A176700 A176701 * A176703 A176704 A176705
sign,tabl
Mats Granvik, Gary W. Adamson, Apr 24 2010
approved